When to plant carrot in Riverside
Carrot is cold-hardy, so every date keys off Riverside's frost dates of Feb 16.
Step 1 · Sow
Direct sow outdoors
Jan 26 – Feb 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 27 – Apr 16
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 13 – Aug 27
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 19 – Nov 8
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Riverside's 293-day season leaves this much room.
Carrot on Riverside's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FEB 16
DEC 6
Common questions
When can I sow carrot outdoors in Riverside?
Direct-sow around late January (Jan 26–Feb 16) in Riverside, based on its local frost dates. Confidence 78%.
When will carrot be ready to harvest in Riverside?
Expect to harvest from around late March (Mar 27–Apr 16) in Riverside, based on its local frost dates. Confidence 70%.
Can I plant carrot in autumn in Riverside?
Yes — Riverside supports a second, autumn sowing of carrot around mid August (Aug 13–Aug 27), timed to mature before the first fall frost.
How long is the growing season in Riverside?
Riverside has roughly 293 frost-free days, which is enough time to grow carrot to maturity outdoors.
The rule of thumb
Sow carrot as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Riverside's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.